#include "LongLine.h"
#include <vtkActor.h>
#include <vtkCamera.h>
#include <vtkCellArray.h>
#include <vtkCellData.h>
#include <vtkDoubleArray.h>
#include <vtkLine.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPoints.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>

LongLine::LongLine(QWidget* parent)
	: QMainWindow(parent)
{
	vtkWidget = new QVTKOpenGLNativeWidget(this);
	this->resize(600, 400);
	this->setCentralWidget(vtkWidget);

	// Create five points.
	double origin[3] = { 0.0, 0.0, 0.0 };
	double p0[3] = { 1.0, 0.0, 0.0 };
	double p1[3] = { 0.0, 1.0, 0.0 };
	double p2[3] = { 0.0, 1.0, 2.0 };
	double p3[3] = { 1.0, 2.0, 3.0 };

	// Create a vtkPoints object and store the points in it
	vtkNew<vtkPoints> points;
	points->InsertNextPoint(origin);
	points->InsertNextPoint(p0);
	points->InsertNextPoint(p1);
	points->InsertNextPoint(p2);
	points->InsertNextPoint(p3);

	// Create a cell array to store the lines in and add the lines to it
	vtkNew<vtkCellArray> lines;

	for (unsigned int i = 0; i < 3; i++)
	{
		vtkNew<vtkLine> line;
		line->GetPointIds()->SetId(0, i);
		line->GetPointIds()->SetId(1, i + 1);
		lines->InsertNextCell(line);
	}

	// Create a polydata to store everything in
	vtkNew<vtkPolyData> linesPolyData;

	// Add the points to the dataset
	linesPolyData->SetPoints(points);

	// Add the lines to the dataset
	linesPolyData->SetLines(lines);

	// Setup actor and mapper
	vtkNew<vtkNamedColors> colors;

	vtkNew<vtkPolyDataMapper> mapper;
	mapper->SetInputData(linesPolyData);

	vtkNew<vtkActor> actor;
	actor->SetMapper(mapper);
	actor->GetProperty()->SetLineWidth(4);
	actor->GetProperty()->SetColor(colors->GetColor3d("Peacock").GetData());

	// Setup render window, renderer, and interactor
	vtkNew<vtkRenderer> renderer;
	renderer->AddActor(actor);

	renderer->ResetCamera();
	renderer->GetActiveCamera()->Azimuth(30);
	renderer->GetActiveCamera()->Elevation(30);
	renderer->ResetCameraClippingRange();

	renderer->SetBackground(colors->GetColor3d("Silver").GetData());
	vtkWidget->renderWindow()->AddRenderer(renderer);
}
